Why Is Outsourcing Often Controversial

Why is outsourcing often controversial?

A) Outsourcing is much more expensive than in-sourcing.
B) Outsourcing avoids the restrictions imposed on imports.
C) When outsourcing results in the loss of domestic jobs,outsourcing is criticized for causing the lost jobs to be transferred to other countries.
D) When outsourcing results in an influx of foreign workers into a country,those foreign workers take jobs from domestic workers.